CN106104644A - For substantially reducing transmitter and the method in dead band in inductance non-contact mobile payment system - Google Patents
For substantially reducing transmitter and the method in dead band in inductance non-contact mobile payment system Download PDFInfo
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- CN106104644A CN106104644A CN201580014336.6A CN201580014336A CN106104644A CN 106104644 A CN106104644 A CN 106104644A CN 201580014336 A CN201580014336 A CN 201580014336A CN 106104644 A CN106104644 A CN 106104644A
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- 238000000034 method Methods 0.000 title claims description 32
- 239000000411 inducer Substances 0.000 claims abstract description 196
- 230000005540 biological transmission Effects 0.000 claims description 22
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- 239000002131 composite material Substances 0.000 claims description 7
- 230000001788 irregular Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 210000003298 dental enamel Anatomy 0.000 claims description 3
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- 229910052751 metal Inorganic materials 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
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- 229910000859 α-Fe Inorganic materials 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 241000282472 Canis lupus familiaris Species 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
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- 230000006698 induction Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
- G06Q20/34—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using cards, e.g. integrated circuit [IC] cards or magnetic cards
- G06Q20/341—Active cards, i.e. cards including their own processing means, e.g. including an IC or chip
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07G—REGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS
- G07G1/00—Cash registers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/14—Inductive couplings
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
- H04B5/24—Inductive coupling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/77—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for interrogation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/14—Inductive couplings
- H01F2038/143—Inductive couplings for signals
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- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Accounting & Taxation (AREA)
- General Business, Economics & Management (AREA)
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- Strategic Management (AREA)
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Abstract
The transmitter generated being read the signal that device reads is described.Transmitter includes drive circuit；And it is connected at least two inducer of drive circuit.Drive circuit controls electric current and causes signal by inducer and electric current so that for having the detectable limit higher than reader of each signal intensity in the inducer at least one zero point region.Additionally, inducer is located such that the zero point region of inducer is the most overlapping.
Description
To Cross-Reference to Related Applications
This application claims in the rights and interests of the 14/627th, No. 958 U.S. Patent application that on February 20th, 2015 submits to, this U.S.
State's patent application requires the rights and interests of the 62/103rd, No. 237 U.S. Provisional Patent Application in submission on January 14th, 2015, in it
Hold to be quoted by entirety and be incorporated in this.
Background technology
Mainly by relative magnetic strip reader (MSR) slip magnetic stripe card carry out magnetic stripe data transmission so that
Can carry out paying, identifying (ID) and access control function.Mobile purse application on smart phone and purl machine utilizes MSR
Through having the difficulty mutual with existing commercial distribution point (POS) equipment or other equipment.There is non-contact reader ability
POS terminal (the most such as use ISO-14443 standard) the most generally exist and accept contactless or near-field communication
(NFC) pay.Just to NFC phone or slice shape code as other transmission means interact and replace and only accept
Millions of business POS equipment (or door lock) of magnetic stripe card, it will be expensive and the time can be spent.
In recent years, have been developed for including that magnetic stripe catches, stores and the equipment of transmission equipment, system and method, itself and shifting
Dynamic purse application is used in combination and catches in physics and virtual environment, stores and to business tradition point of sale (POS) terminal
Leave system with other equipment or checkout with magnetic strip reader (MSR) and transmit magnetic stripe card data.These systems provide and are used for
Consumer pays experience, security affairs for business easily, and in some cases in order to sincere, identify (ID),
Or access the purpose controlled and provide and will be sent to the additional data of MSR.
For catch safely, store and transmit magnetic stripe payment card data by Massachusetts, the LoopPay of Blinton
A kind of system of Inc exploitation includes mobile communication equipment and movable application and magnetic stripe transport electrons Canis familiaris L..Magnetic stripe transport electrons
Canis familiaris L. includes microprocessor, includes driver and can generate the magnetic field transmitter of inducer in magnetic field of change, battery, charged electrical
(such as USB connects for road, magnetic strip reader (MSR), storage arrangement or safety element, audio jack interface, and communication interface
Mouth, 30pin or 9pin Fructus Mali pumilae interface, blue tooth interface, etc.), its be combined with consumer's mobile device and purse application work with
For catching magnetic stripe card data in physics and virtual environment, storing data safely, and such data are sent to business
System is left in industry point of sale (POS) or checkout.
Simulation magnetic stripe data is magnetically coupled to POS magnetic from the distance of 30 to 40mm by magnetic security transmission (MST) technology
Bar reader (MSR) 101.By driving alternating polarity electric current to generate alternating polarity magnetic field by appropriately designed inducer
102.The MSR head pickup magnetic field impulse and convert them to potential pulse comprising inducer, this potential pulse and then be read
Device circuit and terminal logic decoding.Schematically illustrate this point in FIG.
But, in actual life, the inducer including NFC inducer does not have isotropic field.Planar inductor
Device such as tends to have toroidal field.Other inducers generate different field shapes.
The overlapping field pattern of MST transmitter inductor and reader head inducer causes one or more zero point (null):
There is the narrow region of wherein no signal transmission.Depending on inducer topology, these zero points can be positioned at the center of reader head
On line, or along edge away from each side.Zero point affects the reliability of card data transmission.Although user promptly learns them
The position of LoopPay equipment best effort, but for some inconvenience attempted for twice or three times with need often along with sending out
Raw.When MST is integrated in the smart phone bigger than LoopPay equipment, accurate arrangement is less likely to, and first
MST transmission success rate is impaired.
Summary of the invention
In one aspect, the transmitter generated being read the signal that device reads is described.Transmitter includes drive circuit；
And it is connected at least two inducer of drive circuit.Drive circuit controls electric current to be caused by inducer and electric current
Signal so that for having the inspection higher than reader of each signal intensity in the inducer at least one zero point region
Survey the limit.Additionally, inducer is located such that the zero point region (null region) of inducer is the most overlapping.
In certain embodiments, location inducer is to produce the region that wherein signal intensity is more than the detectable limit of reader
With the digital independent caused.
In certain embodiments, transmitter only has two inducers.
In certain embodiments, transmitter has at least one inducer as L mode inducer, and other
In embodiment, transmitter has at least one inducer as X mode inductance device.
In certain embodiments, L mode inducer comprises additionally in conductive material.Conductive material can be from by metal wire, print
The group of printed circuit board and punching press template shape composition is chosen.Can utilize and form from by enamel, acrylic acid or plastics
Group in select material be plated or coated with conductive material.In other embodiments other, from the group consisted of
Conductive material is shaped by the form of middle selection: irregular shape, circle, polygon, rectangle, squares and triangles.
In certain embodiments, X mode inductance device comprises additionally in the core can being made up of ferrite.At some, other are implemented
In example, core has a cross sectional shape selected from the group consisted of: irregular shape, circle, polygon, rectangle, square
And triangle.
In certain embodiments, at least one inducer is L mode inducer and at least one inducer is X pattern electricity
Sensor.In other embodiments, all inducers are L mode inducers, or, all inducers are X mode inductance devices.
In certain embodiments, at least one inducer does not make its of the wherein signal intensity detectable limit less than reader
Zero point region is positioned on reader.
In certain embodiments, wherein signal intensity is continuous print more than the region of the inducer of the detectable limit of reader
And increase the wherein signal intensity gross area more than reader detectable limit (contiguous).In certain embodiments, drive
Dynamic device circuit makes electric current flow through multiple inducer simultaneously.In other embodiments, drive circuit makes electric current in the time separated
Flow through multiple inducer.
In one aspect of the method, describing a kind of method driving transmitter, transmitter includes drive circuit and is connected to
At least two inducer of drive circuit, the most each inducer has the signal intensity detectable limit less than signal reader
At least one null range, wherein, drive circuit controls electric current by inducer, and this causes signal, described method to include step
Rapid:
A () positions at least two inducer in transmitters so that the zero point region of inducer is the most overlapping；And
B () makes current flow through at least two inducer to generate composite signal.
In certain embodiments, drive the method for transmitter to be included in and make current flow through only one inductance preset time
Device.In some other embodiments, composite signal has the zero point region that wherein signal intensity is less than the detectable limit of reader.
In certain embodiments, composite signal has the signal intensity of the side deflection towards reader.In certain embodiments, synthesis
The zero point region of signal is positioned at the zero point region of each inducer with transmitter and does not have overlapping unique position.
In certain embodiments, the method for transmitter is driven to include: to make current flow through the step of at least two inducer.Electricity
The flowing of stream farther includes: is making current flow through multiple inducer in preset time and is only making current flow through in preset time
Between one inducer alternately.In certain embodiments, the step making current flow through at least two inducer includes making electric current exist
Identical side flows upwardly through all inducers.In some other embodiments, make current flow through the step of at least two sensor
Including: compared to every other inducer, make at least one inducer have the electric current flowed in the opposite direction.
In one aspect, transmitter includes the single inductor being connected to drive circuit.Drive circuit controls electric current
Flow through inducer and cause transmission, and driver while inducer moves through multiple position relative to card reader head
Circuit passes the current through inducer repeatedly.At least one in multiple positions of inducer process, inducer produces more than card
The transmission signal of reader threshold value is for good digital independent.
In one aspect, the method includes: while inducer moves through multiple position relative to card reader head,
By the control of drive circuit, make electric current repeatedly through including that the transmitter of single inductor is to produce the letter for transmission
Number.At least one in multiple positions of inducer process, inducer produce more than card reader threshold value transmission signal with
For good digital independent.
Accompanying drawing explanation
The following drawings is provided just to diagram purpose and to be not intended to limit.
Fig. 1 illustrates the schematic diagram of magnetic security transmission (MST) system utilized in the present invention.
Fig. 2 illustrates the schematic diagram of the transmitter according to the present invention.
Fig. 3 is showing along card reader card-brushing groove and is sensed typically by planar horizontal inducer from different relative positions
The schematic diagram of the voltage in the card reader head of POS terminal.
Fig. 4 illustrates the mutual magnetic between MST transmitter inductor shown in figure 2 and magnetic strip reader head inducer
Couple with the orbital data to POS terminal 403 transmission simulation, wherein couple the lowest or 0 401 and less than its bust this
Reader threshold value.
Fig. 5 A and 5B illustrate wherein copper cash be used as conductive material and be wound with rectangular shape, in the transmitting of Fig. 2
Two examples of the L mode inducer used in machine.
Fig. 6 A and 6B illustrates that wherein copper cash is used as conductive material and core is respectively provided with circular cross section and rectangular cross-sectional
Face, two examples of X mode inductance device of using in the transmitter of Fig. 2.
Fig. 7 A illustrates to have and includes that three one of them inducers of inducer are L mode inducer and other two
Inducer is the embodiments of the invention of the transmitter shown in Fig. 2 of X mode inductance device.
Fig. 7 B illustrates have the Fig. 2 including that two inducer two of which inducers are all L mode inducer
Shown in the embodiments of the invention of transmitter.
Fig. 7 C illustrates have the Fig. 2 including that two inducer two of which inducers are all X mode inductance device
Shown in the embodiments of the invention of transmitter.
Fig. 8 illustrates the schematic diagram of the eccentric inducer utilized in transmitter shown in figure 2, the wherein center of inducer
Separately 1 to 2cm.
Fig. 9 illustrates the schematic diagram of two induced signal level 901 and 902 of two inducer A and B of off-centring.
Figure 10 is shown in when two inducers used in the transmitter of Fig. 2 are individually and in combination used possible
Three signal patterns.
Figure 11 illustrates the ability to the H bridge for driving current through inducer and drives.
Figure 12 A illustrates and wherein makes with B both the electric current flowed in the transmitter of Fig. 2 in identical side for inducer A
The example of the positive definite phase flowed up.
Figure 12 B illustrates and wherein makes in the transmitter of Fig. 2 the electric current of flowing in the opposite direction for inducer A and B both
The example of the negative definite phase of upper flowing.
Figure 13 is shown in the conjunction of inducer A and B used in the transmitter of Fig. 2 in the case of positive definite phase and negative definite phase
Become field shape.
Detailed description of the invention
The transmitter 200 generated being read the signal that device reads is described.Transmitter 200 includes drive circuit；And
It is connected respectively at least two inducer 201 and 202 of drive circuit 203 and 204.Drive circuit controls electric current by electricity
Sensor and electric current cause magnetic field.Magnetic field includes wherein being less than for each signal intensity in inducer 201 and 202 reading
The district of the detectable limit of device, it forms at least one zero point region (null region).Additionally, inducer 201 and 202 quilt
The zero point region being positioned so as to inducer is the most overlapping.
Fig. 2 illustrates the schematic diagram of the transmitter 200 according to the present invention.Driven by drive circuit A 203 and 204 respectively
Galvanic electricity sensor A 201 and inducer B 202.
Figure 3 illustrates and sensed by planar horizontal inducer 301 from different relative positions along card reader card-brushing groove
Voltage to the card reader head 302 of typical POS terminal.Signal transmission 303 on the either side of 302 is relatively strong, but
It tapers into and surface vanishing at the center of head when near the center of 302.Zero point region 304 is formed at sense
Induction signal is less than in the region of reader threshold value 305.Zero point region can be 5 to 20mm width.When MST equipment is maintained at by user
Time in zero point region, transmission often failure, need second or attempt with the reading obtained for the third time.
The width of zero point depends on the size of inducer, the intensity of inductor current and the sensitivity of POS card reader.Energy
Enough make zero point narrow by driving more current through inducer, but can not fully eliminate zero point, although by suitably
Inductor design, it is possible to make zero point sufficiently small and use had little effect.
MST use phase mutual magnetic coupling between MST transmitter inductor 301 and magnetic strip reader head inducer 302 with
Analog orbit data are transmitted to POS terminal.Coupling between inducer is affected with relative position by their physical attribute.Deposit
Couple the lowest or some relative position of the inducer of zero wherein.These positions are regarded as zero point (null), and impact can
By property and make user repeatedly attempt transmission.Similar problem also perplexs the application using NFC chip.The method of the present invention can
Work with NFC transmitter successfully to eliminate NFC inducer zero point region.
Fig. 4 illustrates the zero point region 401 from simulation test, wherein shows the letter picked by reader head 403 in Y-axis
Square wave is utilized continuously identical inducer to be supplied and made identical inducer to read along card during number level 402
Tank (x-axis) is mobile.The most left, inducer from head too away from and detectable signal cannot be produced.Along with inducer is towards reading
Device head (center) is mobile, and first signal increases and from head 2cm peaking.Along with inducer keep mobile and closer to
Head, signal drops below reader threshold value 404 to form first effective district 405.When continuing to move forward towards the right side, signal
Level 402 declines further and becomes 0 at the center of 403.Along with inducer (to the right) moves away 403, signal electricity
Flat 402 start again at increase.Subsequently generate wherein signal level 402 and be higher than second effective district 406 of reader threshold value 404.?
Between two effective districts is zero point.Each effective district is about 4cm width.
The inducer of transmitter is L mode inducer, and L mode inducer can include conductive material.Conductive material
It is to select from the group being made up of metal wire, printed circuit board (PCB) and punching press template shape.Conductive material can also be electric
Plating.In some other embodiments, utilize the material selected from the group being made up of enamel, acrylic acid or plastics to coat conduction
Material.In other embodiments other, in the form selected from the group consisted of, conductive material is shaped: do not advise
Then shape, circle, polygon, rectangle, squares and triangles.Fig. 5 A and 5B illustrate wherein copper cash be used as conductive material and with
Two examples of the L mode inducer that rectangular shape is wound.
In some embodiments of transmitter, at least one inducer is X mode inductance device.X mode inductance device can wrap
Include the core can being made up of ferrite.In certain embodiments, core have from the group consisted of select cross sectional shape:
Irregular shape, circle, polygon, rectangle, squares and triangles.Fig. 6 A and 6B illustrates that wherein copper cash is used as conductive material also
And core is respectively provided with two examples of X mode inductance device of circular cross section and rectangular cross section.
In certain embodiments, at least one inducer is L mode inducer and at least one inducer is X pattern electricity
Sensor.Fig. 7 A illustrates the embodiment with three inducers, and one of them inducer is L mode inducer and other inducers
It it is X mode inductance device.When transmitter only has two inducers, inducer can be L mode inducer and another
Inducer can be X mode inductance device.In other embodiments, all inducers are L mode inducers.Fig. 7 B illustrates have two
The embodiment of individual inducer, two of which inducer is all L mode inducer.All inducers can also be X mode inductance device.
Fig. 7 C illustrates that the embodiment with two inducers, two of which inducer are all X mode inductance devices.
In an embodiment, transmitter includes two eccentric inducer A and B either individually or collectively driven.Fig. 8 illustrates
The schematic diagram of eccentric inducer, wherein the center of inducer A801 and B 802 separates 1 to 2cm.Fig. 9 illustrate with reader
903 mutual time off-centring two inductance signal level 901 and 902 corresponding for two inducer A 801 and B 802
Schematic diagram.The off center of inducer causes zero point, wherein for the corresponding inducer 801 and 802 that will be shifted by, and signal electricity
Flat 901 and 902 drop below reader threshold value 904.
Can use the inducer with non-overlapped zero point in two ways:
1) individually, wherein inducer is used to transmit same card data in the different time；If at an inducer
And be not read device in zero point region to read, then at least one other inducer that zero point is shifted by will be read.
2) in combination, wherein inducer is properly supplied phase current to create the field of synthesis field and wherein inducer in the phase
Hope the pattern the most again strengthening on direction and offsetting in the other directions.
Figure 10 is shown in three signal patterns possible when two inducers are individually and in combination used.By line A
1001 and B 1002 respectively illustrate the single of the signal from inducer A and B offseting substantially 1cm and the shape of combination.
Curve A+B 1003 illustrates have the suitable signal from inducer A+B combination determining phase.It can be seen that by signal A+B
The field of combination producing be considerably stronger than the field in side.This is typically configured as towards POS reader 1004.The most in Fig. 10
Reader threshold value 1005 is shown.
Figure 11 illustrates the ability to the H bridge for driving current through inducer A 1103 and B 1104 and drives A and B 1101 He
1102.It will be understood by those skilled in the art that other drivers of the electric current that can alternatively use in control circuit.
In certain embodiments, the step making current flow through at least two inducer includes making electric current in a same direction
Flow through all inducers.This is referred to as positive definite phase.In some other embodiments, make current flow through the step of at least two sensor
Suddenly include: compared to every other inducer, make at least one inducer have the electric current flowed in the opposite direction.This is claimed
Make negative definite phase.
Figure 12 A illustrates and wherein makes electric current just flow in a same direction for both inducer A 1201 and B 1202
Determine the example of phase.
Figure 12 B illustrates the negative definite wherein making electric current flow in the opposite direction for both inducer A1201 and B 1202
The example of phase.
Figure 13 is shown in the synthesis field of inducer A1201 and B 1202 in the case of positive definite phase 1301 and negative definite phase 1302
Shape.Figure 13 illustrates that positive definite produces higher magnetic field mutually, and negative definite produces broader field mutually.In positive definite facies model 0. 1303
It is positioned at the position that the zero point arbitrary from inducer A or B is different.It should be noted that positive definite will always have zero point mutually, and negative definite
May make 0. 1304 less deep, as shown in Figure 13 mutually.In fact, it is possible to by using resistors in series to adjust electricity
Sensor electric current eliminates zero point.But, eliminate negative definite mutually in the compromise of zero point be the more weak signal in remaining pattern.
The transmitter of the present invention uses at least two inducer with multiple transmission, and it eliminates the effect of inducer zero point
Should.Can separately or concurrently use two inducers.When being used simultaneously, determine phase inductor to create resultant magnetic field, this
By mobile zero point and increase diversity further by increasing effective district.
In one aspect, transmitter includes the single inductor being connected to drive circuit.Drive circuit controls electric current
Flow through inducer and cause transmission, and driver while inducer moves through multiple position relative to card reader head
Circuit passes the current through inducer repeatedly.In at least one in multiple positions of inducer process, inducer produces and is more than
The transmission signal of card reader threshold value is for good digital independent.
In one aspect, the method includes: while inducer moves through multiple position relative to card reader head,
By the control of drive circuit, make electric current repeatedly through including that the transmitter of single inductor is to produce the letter for transmission
Number.In at least one in multiple positions of inducer process, inducer produces the transmission signal more than card reader threshold value
For good digital independent.
Those skilled in the art will readily appreciate that, all parameters described herein and configuration mean exemplary and
Actual parameter and configuration will depend upon which that pin is used for the application-specific of the system and method for the present invention.Those people in the art
Member will use routine experimentation at most and recognizes the many etc. that maybe can find out the specific embodiment in invention described herein
Jljl.It will be appreciated, therefore, that the merely exemplary embodiments above and can be unlike as be specifically described of presenting
Put into practice the present invention.The present invention relates in each independent feature described herein, system, or method.Additionally, two or more
If any combination of the most such feature, system or method is included within the scope of the disclosure such feature, is
System or method are not mutually internally inconsistent.
Claims (29)
1. generate the transmitter by being read the signal that device reads, including:
Drive circuit；And
It is connected at least two inducer of drive circuit；
Wherein, drive circuit controls electric current and passes through inducer, and this causes signal；
Wherein, each inducer has at least one zero point region, and wherein signal intensity is less than the detectable limit of reader；And
Wherein, inducer is located such that the zero point region of inducer is the most overlapping.
Transmitter the most according to claim 1, wherein, location inducer is more than reader to produce wherein signal intensity
The region of detectable limit is with the digital independent caused.
Transmitter the most according to claim 1, wherein, only exists two inducers.
Transmitter the most according to claim 1, wherein, at least one inducer is L mode inducer.
Transmitter the most according to claim 1, wherein, at least one inducer is X mode inductance device.
Transmitter the most according to claim 1, wherein, inducer farther includes conductive material.
Transmitter the most according to claim 6, wherein, conductive material is from by metal wire, printed circuit board (PCB) and pressed sheet
The group of type shape composition selects.
Transmitter the most according to claim 6, wherein, conductive material is plated.
Transmitter the most according to claim 6, wherein, utilizes and selects from the group being made up of enamel, acrylic acid or plastics
Material coat conductive material.
Transmitter the most according to claim 6, wherein, will conduction in the form selected from the group consisted of
Material forming: irregular shape, circle, polygon, rectangle, squares and triangles.
11. transmitters according to claim 4, wherein, inducer farther includes core.
12. transmitters according to claim 11, wherein, core is made up of ferrite.
13. transmitters according to claim 11, wherein, core has the cross section shape selected from the group consisted of
Shape: irregular shape, circle, polygon, rectangle, squares and triangles.
14. transmitters according to claim 1, wherein, at least one inducer be L mode inducer and at least one
Inducer is X mode inductance device.
15. transmitters according to claim 1, wherein, two inducers are all L mode inducers.
16. transmitters according to claim 1, wherein, two inducers are all X mode inductance devices.
17. transmitters according to claim 1, wherein, at least one inducer does not make wherein signal intensity be less than reading
Its zero point region of the detectable limit of device is positioned on reader.
18. transmitters according to claim 1, wherein, drive circuit makes electric current flow through multiple inducer simultaneously.
19. transmitters according to claim 1, wherein, drive circuit makes electric current flow through multiple electricity in the time separated
Sensor.
20. 1 kinds generate the transmitter by being read the signal that device reads, including:
Drive circuit；And
It is connected to the inducer of drive circuit；
Wherein, drive circuit controls electric current and passes through inducer, and this causes signal to transmit；And
Wherein, while inducer moves through multiple position relative to reader head, drive circuit passes the current through electricity
Sensor repeatedly, and
Wherein, at least one in multiple positions of inducer process, inducer produces the transmission letter more than reader threshold value
Number for good digital independent.
The method of 21. driving transmitters according to claim 1, is included in and makes current flow through only one electricity preset time
Sensor.
22. 1 kinds of drivings include drive circuit and the side of the transmitter of at least two inducer being connected to drive circuit
Method, the most each inducer has signal intensity at least one zero point region of detectable limit less than signal reader, wherein,
Drive circuit controls electric current by inducer, and this causes signal, described method to include step:
Location at least two inducer in transmitters so that the zero point region of inducer is the most overlapping；And make current flow through to
Few two inducers are to generate composite signal.
23. methods according to claim 22, wherein, composite signal has wherein signal intensity and is less than the detection of reader
The zero point region of the limit.
24. methods according to claim 22, wherein, the signal that composite signal has the side deflection towards reader is strong
Degree.
25. methods according to claim 22, wherein, the zero point region of composite signal is positioned at each inductance with transmitter
The zero point region of device does not have unique position of overlap.
The method of 26. driving transmitters according to claim 22, wherein, makes current flow through the step of at least two sensor
Suddenly include: making current flow through at least two inducer in preset time and making current flow through only one inductance in preset time
Between device alternately.
The method of 27. driving transmitters according to claim 22, wherein, makes current flow through the step of at least two inducer
Suddenly include: make electric current in a same direction by all inducers.
The method of 28. driving transmitters according to claim 22, wherein, makes current flow through the step of at least two inducer
Suddenly include: compared to every other inducer, make at least one inducer have electric current in the opposite direction.
The transmitter of 29. 1 kinds of inducers by including drive circuit and be connected to drive circuit generates and will be read device
The method of signal read, described method includes step:
Make current flow through inducer repeatedly to produce the signal of the repetition for transmission；
While inducer, inducer is moved through multiple positions relative to reader head at electric current；
Wherein, at least one in multiple positions of inducer process, inducer produces the transmission letter more than reader threshold value
Number for good digital independent.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201562103237P | 2015-01-14 | 2015-01-14 | |
| US62/103,237 | 2015-01-14 | ||
| US14/627,958 | 2015-02-20 | ||
| US14/627,958 US9864985B2 (en) | 2015-01-14 | 2015-02-20 | Transmitter and method for substantially reducing dead zones in an inductive contactless mobile payment system |
| PCT/US2015/068277 WO2016114935A1 (en) | 2015-01-14 | 2015-12-31 | Transmitter and method for substantially reducing dead zones in an inductive contactless mobile payment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106104644A true CN106104644A (en) | 2016-11-09 |
Family
ID=56367819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580014336.6A Pending CN106104644A (en) | 2015-01-14 | 2015-12-31 | For substantially reducing transmitter and the method in dead band in inductance non-contact mobile payment system |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US9864985B2 (en) |
| EP (1) | EP3078009A4 (en) |
| JP (1) | JP2017509243A (en) |
| KR (1) | KR20160138288A (en) |
| CN (1) | CN106104644A (en) |
| AU (1) | AU2015367821B2 (en) |
| CA (1) | CA2935067C (en) |
| HK (1) | HK1226188A1 (en) |
| RU (1) | RU2682372C2 (en) |
| SG (1) | SG11201605748QA (en) |
| WO (1) | WO2016114935A1 (en) |
Cited By (1)
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| CN109145661A (en) * | 2017-06-19 | 2019-01-04 | 三星电子株式会社 | Magnetic security transmitting device and electronic device including the magnetic security transmitting device |
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| DE102016100809A1 (en) * | 2015-04-14 | 2016-10-20 | Samsung Electronics Co. Ltd. | Nahfeldkommunikationsbaugruppe and portable device containing the same |
| US10360485B2 (en) * | 2016-08-29 | 2019-07-23 | Integrated Device Technology, Inc. | Circuits and systems for low power magnetic secure transmission |
| KR102323560B1 (en) | 2017-08-08 | 2021-11-08 | 삼성전자주식회사 | Electronic device including circuit configured to adjust peak intensity of current |
| KR102444088B1 (en) * | 2019-12-19 | 2022-09-16 | 한국전자통신연구원 | Apparatus and method for transmitting and receiving magnetic field in magnetic field communication system |
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- 2015-12-31 RU RU2016142313A patent/RU2682372C2/en active
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Also Published As
| Publication number | Publication date |
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| HK1226188A1 (en) | 2017-09-22 |
| RU2682372C2 (en) | 2019-03-19 |
| EP3078009A4 (en) | 2018-02-14 |
| WO2016114935A1 (en) | 2016-07-21 |
| KR20160138288A (en) | 2016-12-02 |
| JP2017509243A (en) | 2017-03-30 |
| RU2016142313A3 (en) | 2018-08-27 |
| RU2016142313A (en) | 2018-04-27 |
| EP3078009A1 (en) | 2016-10-12 |
| CA2935067C (en) | 2019-03-05 |
| CA2935067A1 (en) | 2016-07-14 |
| AU2015367821A1 (en) | 2016-07-28 |
| AU2015367821B2 (en) | 2017-05-25 |
| US20160203472A1 (en) | 2016-07-14 |
| US9864985B2 (en) | 2018-01-09 |
| SG11201605748QA (en) | 2016-08-30 |
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